Flora of North America species comparison

simple or several from base (rosette), erect, often branched distally, 1–8 dm, (pilose with trichomes appressed, malpighiaceous, or minutely stalked, forked, or hirsute basally with trichomes simple and minutely stalked, forked, sometimes almost exclusively pubescent with forked submalpighiaceous trichomes).

simple or several from base (rosette), erect, often branched distally, (1.8–)2.5–4.5(–5.5) dm, (hirsute at least basally).

petiole 0.5–2 cm, (ciliate or not);

blade spatulate, oblanceolate, or oblong, (0.8–)1.5–8 cm × (5–)10–25 mm, margins entire, repand, or dentate, apex obtuse or acute, surfaces sparsely to densely pubescent, trichomes sessile or stalked, simple or forked, and/or stellate.

petiole (0.7–)2–5 cm;

blade usually ovate to oblanceolate, rarely cordate, (0.8–)1.5–3 cm × 5–17 mm, margins dentate or serrate, surfaces sparsely to densely pubescent, trichomes simple or forked.

(7–)10–45(–61), (overlapping or not);

blade ovate to oblong or lanceolate, rarely linear, (1–)1.5–6(–8) cm × (1–)3–20(–25) mm, base subcordate or auriculate (auricles obtuse or subacute), margins dentate or entire, apex acute or obtuse, surfaces hirsute or adaxially glabrescent.

(5–)8–20(–27), (overlapping or not);

blade ovate to oblong or lanceolate, (2–)3–7.5(–9) cm × (10–)13–25(–35) mm, base amplexicaul, margins usually dentate or serrate, sometimes entire, surfaces hirsute.

often simple.

branched.

sepals oblong, 2.5–4 × 0.5–1.5 mm, lateral pair not saccate basally;

petals white, linear-oblanceolate or narrowly spatulate, 3.5–5(–5.5) × 1–2(–2.5) mm, apex obtuse;

filaments 2.5–4 mm;

anthers oblong, 0.7–1 mm.

sepals oblong, 2.5–4.5 × 1–1.5 mm, lateral pair slightly saccate basally;

petals white, spatulate, (5–)6–9 × 2–3.5 mm, apex obtuse;

filaments 3–5 mm;

anthers oblong, 0.8–1.2 mm.

erect to erect-ascending, (2–)3–8(–12) mm (glabrous or sparsely pubescent).

ascending to divaricate-ascending, (7–)10–20(–24) mm, (glabrous or sparsely pubescent).

erect to erect-ascending, (often appressed to rachis), torulose, (3.5–)4–6(–6.5) cm × 0.8–1(–1.2) mm;

valves each with obscure or somewhat prominent midvein extending to the middle;

ovules (54–)60–86 per ovary;

style (0.2–)0.5–1(–1.3) mm, (slender).

divaricate to erect-ascending, (not appressed to rachis), torulose, 2.2–4.6 cm × 0.8–1.2mm;

valves each with prominent midvein extending to middle or full length;

ovules 16–28 per ovary;

style 0.5–2 mm, (slender).

narrowly winged throughout, oblong or suborbicular, (0.8–)1–1.5(–1.7) × 0.8–1.3 mm;

wing to 0.2 mm wide distally.

narrowly winged distally, oblong, 1–1.6 × 0.6–0.8 mm;

wing 0.05–0.1 mm.